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2986147812 = 223248845651
BaseRepresentation
bin1011000111111100…
…1111111111100100
321201002222000201010
42301333033333210
522103423212222
61212151302220
7133666560204
oct26177177744
97632860633
102986147812
1112a266a05a
126b407a970
1338787448b
1420483c404
1512725980c
hexb1fcffe4

2986147812 has 12 divisors (see below), whose sum is σ = 6967678256. Its totient is φ = 995382600.

The previous prime is 2986147729. The next prime is 2986147837. The reversal of 2986147812 is 2187416892.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×29861478122 = 17834157510224774688, which contains 22 as substring.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124422814 + ... + 124422837.

Almost surely, 22986147812 is an apocalyptic number.

It is an amenable number.

2986147812 is an abundant number, since it is smaller than the sum of its proper divisors (3981530444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2986147812 is a wasteful number, since it uses less digits than its factorization.

2986147812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248845658 (or 248845656 counting only the distinct ones).

The product of its digits is 387072, while the sum is 48.

The square root of 2986147812 is about 54645.6568448033. The cubic root of 2986147812 is about 1440.0263324660.

The spelling of 2986147812 in words is "two billion, nine hundred eighty-six million, one hundred forty-seven thousand, eight hundred twelve".

Divisors: 1 2 3 4 6 12 248845651 497691302 746536953 995382604 1493073906 2986147812